Here ya go ol' pal's. I knocked out the manufacturer so ya couldn't report me for non sponsor selling again.
And Al, if you remeber reading my post, you would recall that I only suggested adding it as a sealer between the metal that was riveted. I never suggested that you merely stick the diverter on with epoxy.
Yes welding is the best for adding exhaust diverters. But there is interest for people who have no welding or braizing talent.
Also the product that initially suggested was a manifold repair product from the same place that supplies my muffler paint. And yes it is 1500 degree epoxy.
But I will do one better, since Andys mods are developing temperatures that are so extreme, perhaps he would need higher temp epoxy such as below.
2000°F High Temperature Stainless Putty
Durabond 7032 Stainless Putty will repair and seal high temperature equipment with the ease of ******* high performance systems.
This smooth creamy paste has no harsh odors, will not run, drip or sag and cures at room temperature to form a machinable composite.
Offers excellent adhesion, resistance to heat, chemicals and solvents.
Ideal For repairing and rebuilding worn or cracked composites, dies, fixtures, jigs; fills holes and leaks in automotive, maintenance and industrial applications.
I know some how this is not true, and you will find some reason to argue further. Ok let me have it....